2152155403 has 8 divisors (see below), whose sum is σ = 2265855120. Its totient is φ = 2038498560.

The previous prime is 2152155373. The next prime is 2152155433. The reversal of 2152155403 is 3045512512.

It is an interprime number because it is at equal distance from previous prime (2152155373) and next prime (2152155433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152155403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152155433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174951 + ... + 186847.

It is an arithmetic number, because the mean of its divisors is an integer number (283231890).

Almost surely, 2^2152155403 is an apocalyptic number.

2152155403 is a deficient number, since it is larger than the sum of its proper divisors (113699717).

2152155403 is a wasteful number, since it uses less digits than its factorization.

2152155403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21437.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2152155403 is about 46391.3289635035. The cubic root of 2152155403 is about 1291.0940387411.

Adding to 2152155403 its reverse (3045512512), we get a palindrome (5197667915).

The spelling of 2152155403 in words is "two billion, one hundred fifty-two million, one hundred fifty-five thousand, four hundred three".